Overview
This Grade 8 carbon steel hex nut is engineered for high-strength, heavy-duty fastening applications where reliability is paramount. The black oxide finish provides a durable layer of corrosion resistance, making it suitable for both indoor and protected outdoor environments. With a nominal metric thread size of M27, this thick nut offers a robust and secure connection for structural assemblies, machinery, and critical infrastructure projects. It is supplied in a convenient 50-piece package to support project continuity and inventory management.
Key Features
Manufactured from high-grade carbon steel for superior strength Grade 8 classification ensures a minimum proof load of 120,000 PSI Black oxide finish enhances corrosion resistance and provides a clean, professional appearance Thick design (heavy hex nut pattern) offers increased bearing surface and load distribution Precision-machined threads for consistent, reliable engagement with mating bolts
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M27 Finish: Black Oxide Width Across Flats: 1.063 inches Package Quantity: 50
Applications
General construction and structural steel frameworks Heavy machinery assembly and maintenance Industrial equipment manufacturing Infrastructure and bridge work Repair and retrofit projects requiring high-strength fasteners
